Common size on stock, Special sizes needs new production.Can cut to Size, Cut to Shape.
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EN10083 is a European standard that defines a range of non-alloyed and alloyed steels for hardening and tempering.
EN10083 C40 C45 C50 C55 Chemical Composition and Technical Property is as below:
Standard | C % max | Si max | Mn max | P max | S max | Cr max | Ni max | Mo max | tensile strength（MPa） | yield strength（MPa） | Elongation% |
C40 | 0.37-0.44 | 0.4 | 0.5-0.8 | 0.045 | 0.045 | 0.4 | 0.4 | 0.1 | ≥530 | ≥260 | ≥17 |
C45 | 0.42-0.5 | 0.4 | 0.5-0.8 | 0.045 | 0.045 | 0.4 | 0.4 | 0.1 | ≥580 | ≥305 | ≥14 |
C50 | 0.47-0.55 | 0.4 | 0.6-0.9 | 0.035 | 0.035 | 0.4 | 0.4 | 0.1 | 650-800 | ≥400 | ≥16 |
C55 | 0.52-0.6 | 0.4 | 0.6-0.9 | 0.045 | 0.045 | 0.4 | 0.4 | 0.1 | 750-900 | ≥420 | ≥12 |
| Parameter | Specification |
| Thickness | 3 mm – 200 mm (up to 300 mm by agreement) |
| Width | 1,000 mm – 4,000 mm |
| Length | 2,000 mm – 12,000 mm |
| Tolerance | EN 10029 Class A or tighter upon request |
| Surface Condition | Pickled & oiled,polishing,powder coated,painting |
| Edge Condition | Mill edge, sheared edge, or gas-cut edge |
EN10083 C40 is a high quality carbon structural steel.
The following are the main application fields of EN10083 C40:
Petroleum, petrochemical equipment: C40 steel is used in the manufacture of petroleum, petrochemical equipment in the reactor and so on.
Power plant flue gas desulphurization device: the main parts used include the tower of the absorption tower, flue, stall door plate, inner parts, spraying system, etc..
Mechanical parts: As C40 steel has high strength, it is suitable for manufacturing parts that are prone to wear and tear, such as shafts and gears.
Tool manufacturing: C40 steel is suitable for the manufacture of various tools, such as saw blades, knives, scissors and so on.
Spring Manufacturing: Due to its good elasticity and strength, C40 steel is also suitable for the manufacture of various springs.
EN10083 C45 is a high-strength, medium-carbon steel used primarily for the manufacture of parts requiring high strength and toughness.
The following are the main application fields of EN10083 C45:
Mechanical parts: C45 steel is widely used in the manufacture of a variety of mechanical parts, such as gears, shafts, piston pins, etc., which usually need to withstand high loads.
Engineering Structures: In construction and engineering, C45 steel is used to manufacture load-bearing structures and supporting members.
Toolmaking: Due to its good strength and wear resistance, C45 steel is also suitable for the manufacture of tools such as knives, saw blades and scissors.
Automotive industry: C45 steel is commonly used in the manufacture of automotive parts such as drive shafts and suspension components.
Welding and casting: C45 steel is also used in the welding and casting industry, where it is suitable for the manufacture of various welded structures and castings.
EN10083 C50 is a high-strength, high-carbon steel suitable for the manufacture of mechanical parts that have been hardened and tempered to obtain the required hardness and toughness.
The following are the main application fields of EN10083 C50:
Automotive industry: C50 steel can be used to manufacture high-strength parts in automobiles, such as crankshafts, gears and drive shafts.
Tool Manufacturing: C50 steel is also suitable for the manufacture of various tools, such as saw blades, knives, stamping dies, etc.
Spring Manufacturing: Due to its high carbon content, C50 steel has good elasticity and strength and is suitable for the manufacture of various springs.
EN10083 C55 is a high-strength, medium-carbon, high-quality structural steel.
The following are the main application fields of EN10083 C55:
Vehicle construction, engine and gear engineering: C55 steel is suitable for highly loaded parts requiring enhanced wear resistance, especially in vehicle, engine and transmission construction.
Case-hardened parts: Compared to C60, C55 is more suitable for case-hardened parts such as transmission gears, shafts, toothed rollers, etc., especially for larger and more complex parts.
Mechanical parts: C55 steel is suitable for the manufacture of a wide range of mechanical parts such as gears, bearings, shafts, etc. due to its high strength and wear resistance.
Tool making: C55 steel is also suitable for manufacturing various tools, such as saw blades, cutting tools, stamping dies, etc. Due to its high carbon content, high hardness and high strength can be obtained after quenching.
